From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=41997 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q5wMY-00057A-U9 for qemu-devel@nongnu.org; Sat, 02 Apr 2011 04:39:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q5wMX-0002sS-NP for qemu-devel@nongnu.org; Sat, 02 Apr 2011 04:39:18 -0400 Received: from moutng.kundenserver.de ([212.227.17.8]:58304) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q5wMX-0002rQ-Ap for qemu-devel@nongnu.org; Sat, 02 Apr 2011 04:39:17 -0400 Message-ID: <4D96E0B3.8040301@rdsoftware.de> Date: Sat, 02 Apr 2011 10:39:15 +0200 From: Erik Rull MIME-Version: 1.0 Subject: Re: [Qemu-devel] BUG: 0.14.0 -device usb-host supports only one device References: <4D8A669C.4000700@rdsoftware.de> In-Reply-To: <4D8A669C.4000700@rdsoftware.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org No idea how to start here? If someone could assist me where to start and what information to collect, I could help debugging and finding a solution for that. Best regards, Erik Erik Rull wrote: > When enabling the -device usb-host option support for adding > automatically USB devices from the host to the guest, only one device > gets detected. > It does not matter if it is added via commandline or via device_add on > the qemu console. > > Curious: If a second devices is plugged into the host, nothing happens > in qemu. But on the host, the device is detected. If the first device is > removed, the second device gets detected by qemu. If then the first > device is added again, it gets not detected by qemu until the second > device is removed and so on. > > When adding the devices manually, everything is fine. > Confirmed with and without the ehci-patch on qemu-kvm 0.14.0. I first > sent the report to the kvm list but it seems to be a pure qemu related > issue. > > Best regards, > > Erik >